3 years ago

How do you do 16-19?

Mathematics

2 answers:

Flura [38]3 years ago

8 0

D =18in 3.14 for
D=24ft

kap26 [50]3 years ago

5 0

The circumference of a circle is given by C = 2 $\pi$ r. Your question asks you to use 3.14 for pi. Radius is half of diameter, so halve those to fit it into the equation.

16). C = 2*3.14*7 = 44.0

17) C = 2*3.14*9 = 56.5

18) C = 2*2.14*12 = 51.4

19) C = 2*2.14*6.4 = 27.4

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